A hospital in India offers to cure cancer in 11 days with Ayurveda and cow therapy, giving patients a drink of desi cow milk, yogurt, ghee, urine, and dung. It’s very unlikely that cow therapy can cure cancer; but in another sense, the author of the book Holy Cancer says it “healed” him. You have

I frequently get emails asking whether I think a certain treatment is supported by evidence or is quackery. I recently got one from an elderly man who was wondering whether he should take a friend’s advice to consult an Ayurvedic doctor. That was the first time I’d ever been asked about Ayurveda. I knew it